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constants
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1. How many electrons in the s orbitals of chlorine?
2 4 6 8 10

2. Which element has the electron configurations 1s22s22p63s23p64s13d4?
Mo Cr V P Te

3. 8.63 * 10-14 J of energy is required to remove an electron from a silver atom. What is the maximum wavelength of light that can do this?
3.0 * 10-7nm 230 nm 3.0 * 1015 nm 130 nm 863 nm

4. What is the wavelength of a ball (mass 10 kg) traveling 54 m/s?
1.23 * 10-36 540 5.40 * 10-36 1.23 * 10-34 1.23 * 10-38

5. What is the maximum number of electrons in an atom with n = 5 and ms= +1/2?
26 25 24 23 22

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